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MAX2105CWI Datasheet(PDF) 6 Page - Maxim Integrated Products

Part # MAX2105CWI
Description  Direct-Conversion Tuner ICs for Digital DBS Applications
PDF  16 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX2105CWI Datasheet(HTML) 6 Page - Maxim Integrated Products

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Direct-Conversion Tuner ICs for
Digital DBS Applications
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX2102 EV kit circuit (Figure 1), VCC = 5V, PSGND = open, MOD = GND, fRFIN = 2150MHz, PRFIN = -19dBm, fLO = 2150.125MHz,
PLO = -15dBm driven single-ended into LO, AGC set via servo loop for VIOUT = VQOUT = 0.5Vp-p, IOUT, QOUT drive AC-coupled
100
Ω loads, 2kΩ from PSOUT to GND, TA = +25°C, unless otherwise noted.)
0
3
4
1
2
6
5
7
8
9
10
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
INPUT-REFERRED IP3 vs. FREQUENCY
LO FREQUENCY (GHz)
TA = +70°C
TA = 0°C
TA = +25°C
f1 = fLO - 2MHz
f2 = fLO - 2.9MHz
PRFIN = -19dBm PER TONE
AGC SET VIA SERVO LOOP
FOR 0.5Vp-p PER TONE
10
15
20
25
30
-50
-60
-55
-65
-70
-75
MAX2102
NOISE FIGURE vs. INPUT CARRIER LEVEL
RFIN CARRIER LEVEL (dBm)
TA = +70°C
TA = +25°C
TA = 0°C
fLO = 2151MHz
10
15
20
25
30
-50
-60
-55
-65
-70
-75
MAX2102
NOISE FIGURE vs. INPUT CARRIER LEVEL
RFIN CARRIER LEVEL (dBm)
TA = +70°C
TA = +25°C
TA = 0°C
fLO = 1451MHz
12.0
13.0
12.5
13.5
14.0
14.5
15.0
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
MAX2102
NOISE FIGURE vs. FREQUENCY
LO FREQUENCY (GHz)
TA = 0°C
TA = +25°C
TA = +70°C
AGC SET FOR
PRFIN = -69dBm
0
-80
1
2
3
4
MAX2102
CARRIER LEVEL vs. AGC VOLTAGE
-60
-40
-20
AGC VOLTAGE (V)
AGC SET FOR IOUT
QOUT = 0.5Vp-p
TA = +70°C
TA = +25°C
TA = 0°C
-70
-40
-50
-60
-30
-10
-20
0
1.6
2.0
2.4
2.8
3.2
3.6
4.0
MAX2105
CARRIER LEVEL vs. AGC VOLTAGE
AGC VOLTAGE (V)
TA = 0°C
TA = +25°C
TA = +70°C
AGC SET FOR
IOUT, QOUT = 0.5Vp-p
14.5
15.5
15.3
15.1
14.9
14.7
15.7
16.1
15.9
16.3
800
1000 1200 1400 1600 1800 2000 2200
MAX2105
NOISE FIGURE vs. FREQUENCY
LO FREQUENCY (MHz)
0°C NF (dB)
AGC SET FOR PRFIN = -60dBm
+25°C NF (dB)
+70°C NF (dB)
12
19
18
16
15
14
17
13
20
22
21
23
-50
-55
-60
-65
MAX2105
NOISE FIGURE vs. INPUT CARRIER LEVEL
RFIN CARRIER LEVEL (dBm)
TA = 0°C
TA = +70°C
fLO = 2141MHz
TA = +25°C
12
19
18
16
15
14
17
13
20
22
21
23
-50
-55
-60
-65
MAX2105
NOISE FIGURE vs. INPUT CARRIER LEVEL
RFIN CARRIER LEVEL (dBm)
TA = 0°C
TA = +70°C
TA = +25°C
fLO = 1441MHz



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